- psilosis (n.)
- "loss of hair through disease," 1837, medical Latin, from Greek psilosis "a stripping of hair," from psiloun "to strip of hair," from psilos "bare" (see psilo-).
- basilosaurus
- "A large marine cetacean of the Eocene epoch, having rudimentary fore and hind limbs", Modern Latin, from Greek basileus 'king' + sauros 'lizard'.